参考资料：https://stackoverflow.com/questions/22008859/the-name-is-not-a-valid-identifier-error-in-function
执行存储过程中sql字符串：
SET @Name = ‘select UserName from [‘ + @dbName + ‘].dbo.Users where UserID=‘ + CONVERT(VARCHAR, @UserID) exec(@Name)
sqlserver the name is not a valid identifier error in function
原文：https://www.cnblogs.com/dawenyang/p/11395966.html